Mixer



FIG. 1 is a top front perspective view of a mixer deck, embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

The broken lines represent the portions of the design that form no part of the claim. 

The ornamental design for mixer, as shown and described. 